Running efficiency
[化] 运转效率
🧩 词语组成解析
running
['rʌnɪŋ]
n. 跑步;运转;流出;
adj. 跑着的;流动的;连续的;操作中的，运转着的;
v. 跑;运转(run的ing形式);
🗣️ 情景例句
He is an orphan, so he is not sure which family name he should have.
他是个孤儿，因而不知道他自己姓什么。
Nice to see you, my old friend.
真高兴见到你，我的老朋友。
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。